volume=lengthXwidthXheight far left— 8x8x20= 1280ft^3 middle— 60-8=52-20=32 so you find out the length of just that piece of solid 20-12=8 to find out width 8x8x32=2048ft^3 far right— 20x15x8=2400ft^3 volume of whole shape- add each value together 1280+2048+2400=5728ft^3 volume= measurement^3